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A157400 as a triangular array

1
12
166
1242424
180180120120
133012001080720720
11302777010920756050405040
159365745610248087360604804032040320
1267844389849707041103760786240544320362880362880

A157400 as a square array

111111111
2624803301302593626784
6241801200777057456438984
24120108010920102480970704
1207207560873601103760
720504060480786240
504040320544320
40320362880
362880

A157400 as an upper right triangle

111111111
2624803301302593626784
6241801200777057456438984
24120108010920102480970704
1207207560873601103760
720504060480786240
504040320544320
40320362880
362880

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Last modified March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)